MAN.161 Rev.7 ENG - Use and maintenance manual S15 page
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4.7.6
At the end of the works
Before moving the machine, check that the MEWP aerial part is set in
the transport position: check that the pantograph is on its own support,
that the telescopic boom is withdrawn and rests on its own support;
Before moving the machine, check that that all the outriggers are set in
the transport position, with the plates completely lifted;
4.8
Safety devices
A - Electrical devices
• Removable key for the MEWP start.
• Emergency self-blocking buttons placed in all control positions.
• Microswitch which stops the outriggers controls when the boom and the
pantograph have been lifted and extended.
• Microswitch for the stabilizer end of stroke.
• Overloading protection fuses, both on power and control circuits.
• All the machine controls need the presence and action of the operator.
• Emergency bypass.
• Electropump*.
B - Hydraulic devices
• Maximum pressure valves.
• Block valve and parachute valve mounted on the lifting cylinders.
• Manual pump for the emergency operations.
• Oil flow adjuster for the control of the descent speed.
C - Mechanical devices
• Hydraulically controlled negative disc brakes.
• At least 1,10 m (3.61 ft) height of border guardrail on the basket.
• Basket access self-locking bar.
• Basket with safety belts eyelets.
All safety devices could wear out and lose their calibration, it is
therefore necessary to control and keep them in perfect working
order.
Do not rely totally on these devices to assess your working and safety
conditions; in any case, the operator must have a proper and con-
scious use of the machine.
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